﻿using HappyDining.MyUserControls;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
using HappyDining.HPDNServiceReference;
// The Item Detail Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234232

namespace HappyDining.Views
{
    /// <summary>
    /// A page that displays details for a single item within a group while allowing gestures to
    /// flip through other items belonging to the same group.
    /// </summary>
    public sealed partial class QuanLyMon : HappyDining.Common.LayoutAwarePage
    {
        public QuanLyMon()
        {
            this.InitializeComponent();
            QuanLyMonControl qlMonControl = new QuanLyMonControl();
            this.contentRegion.Children.Clear();
            this.contentRegion.Children.Add(qlMonControl);
            qlMonControl.EditRequested += qlMonControl_EditRequested;
        }

        private async void qlMonControl_EditRequested(object sender, EventArgs e)
        {
            int itemId =  (e as ItemEditEventArgs).itemId;
            Debug.WriteLine("Edit button clicked: item ID: " +itemId);
            Service1Client client = new Service1Client();
            Item item = await client.GetItemByIdAsync(itemId);
            ItemInfoControl itemInfoControl = new ItemInfoControl(item);
            itemInfoControl.CancelRequested += itemInfoControl_CancelRequested;
            this.itemInfoPopup.Child = itemInfoControl;
            this.itemInfoPopup.IsOpen = true;
        }

        void itemInfoControl_CancelRequested(object sender, EventArgs e)
        {
            this.itemInfoPopup.IsOpen = false;
        }

        /// <summary>
        /// Populates the page with content passed during navigation.  Any saved state is also
        /// provided when recreating a page from a prior session.
        /// </summary>
        /// <param name="navigationParameter">The parameter value passed to
        /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
        /// </param>
        /// <param name="pageState">A dictionary of state preserved by this page during an earlier
        /// session.  This will be null the first time a page is visited.</param>
        protected override void LoadState(Object navigationParameter, Dictionary<String, Object> pageState)
        {
            // Allow saved page state to override the initial item to display
            if (pageState != null && pageState.ContainsKey("SelectedItem"))
            {
                navigationParameter = pageState["SelectedItem"];
            }

        }

        /// <summary>
        /// Preserves state associated with this page in case the application is suspended or the
        /// page is discarded from the navigation cache.  Values must conform to the serialization
        /// requirements of <see cref="SuspensionManager.SessionState"/>.
        /// </summary>
        /// <param name="pageState">An empty dictionary to be populated with serializable state.</param>
        protected override void SaveState(Dictionary<String, Object> pageState)
        {
            //var selectedItem = this.flipView.SelectedItem;
            // TODO: Derive a serializable navigation parameter and assign it to pageState["SelectedItem"]
        }
    }
}
